Location History:
- Iksan-si, KR (2020)
- Jeollabuk-do, KR (2022)
Company Filing History:
2 out of 27,085 
2 out of 381 Years Active: 2020-2022
Title: **Innovator Sangtae Kim: Pioneering Thin Film Etching Technologies**
Introduction
Sangtae Kim is an esteemed inventor hailing from Jeollabuk-do, South Korea. With two patents to his name, he has made significant contributions to the field of thin film etching compositions and methods. His innovative work is crucial in advancing technologies used in display devices and other electronic applications.
Latest Patents
Sangtae Kim’s latest patents demonstrate his expertise and innovative spirit. One of his notable inventions is a **thin film etchant composition and method of forming a metal pattern by using the same**. This composition is designed to prevent the re-adsorption of etched metals while ensuring uniform etching of thin films. It comprises approximately 43 to 46 wt % of phosphoric acid, 5 to 8 wt % of nitric acid, 10 to 17 wt % of acetic acid, 1 to 3 wt % of iron nitrate, and 0.7 to 1.5 wt % of phosphate, with the remainder being deionized water.
Another significant patent is the **etchant and method of manufacturing a display device by using the same**. This etchant contains 1 to 15 wt % of sulfurized peroxide, 5 to 10 wt % of nitric acid, 20 to 40 wt % of organic acid, 0.05 to 5 wt % of ferric nitrate, 0.1 to 5 wt % of an ionic sequestrant, and 0.1 to 5 wt % of a corrosion inhibitor, with the rest composed of deionized water. These inventions highlight his contribution to enhancing the efficiency and effectiveness of manufacturing processes in the semiconductor industry.
Career Highlights
Throughout his career, Sangtae Kim has worked with notable companies, including Samsung Display Co., Ltd. and Dongwoo Fine-chem Co., Ltd. His experience in these leading firms has equipped him with the knowledge and skills required to innovate in the field of materials science.
Collaborations
Sangtae has collaborated with esteemed colleagues in the industry, such as Giyong Nam and Kyungbo Shim. These partnerships have fostered a collaborative environment that enhances innovation and the successful development of new technologies.
Conclusion
Sangtae Kim exemplifies the spirit of innovation through his development of advanced thin film etching technologies. His patents not only contribute to the current landscape of electronic manufacturing but also pave the way for future advancements. With his expertise and continued efforts, Sangtae Kim remains a key figure in the world of inventions and innovations.